• Phytophthora blight

  The Great Famine was a period of mass starvation caused by this disease which ravaged potato crops throughout Europe during the 1840s. Life cycle and appearance [...] and white fluffy fungal growth on the leaves. The centre is grey-brown with a light-green edge. On the stem, elongated brown lesions occur, usually circling [...] strictly speaking not fungi. They thrive at soil temperatures between 15 and 23 °C and higher water content than is optimal for crop growth. Phytophthora overwinters

• Chrysoperla carnea

  carnea is effective in a wide temperature range including low temperatures (average > 12°C/54°F). It is most effective at 20-28°C (68-82°F). Feeding behaviour [...] Chrysoperla carnea , commonly known as the green lacewing, is a beneficial insect used in agriculture as a natural predator of various pest insects. It belongs [...] insects that are harmful to plants. In agriculture, Chrysoperla carnea i s employed as a biological control agent to manage pest populations. The larvae of green

• Aphelinus abdominalis

  25-4 per m 2 /release. Releases should be repeated a number of times. Consult a Koppert advisor or a recognized distributor of Koppert products for advice [...] antennae. Females have a black thorax and yellow abdomen. Males are slightly smaller and their abdomen is a slightly darker colour. A parasitized aphid hardens [...] become a leathery, black mummy. The adult wasp appears through an irregularly serrated hole at the posterior end of the mummy, on which the aphid’s antennae

• Adalia bipunctata

  as the two-spot ladybird or the two-spotted ladybug, is a species of a predatory beetle. As a natural enemy of aphids , Adalia bipunctata contributes to [...] bipunctata is available in a cotton bag ( Aphidalia ). Open the bag and attach it to the tree near the first branch with a nail or wire stitch Apply 1 [...] one cotton bag per tree and up to 3 bags for large trees. Consult a Koppert advisor or a recognized distributor of Koppert products for advice on the best

• Plant Pollinator interactions in high temperatures

  temperatures of more than 30° C for a couple of hours has a negligible effect on pollination. However, a full day above 30° C has an immediate effect on [...] radiant heat and humidity A glasshouse air temperature of 30° C at a humidity of 80% can still results in good pollination. At 30° C and 60% humidity, the [...] also play a role; the influence of radiation also needs to be considered. A flower can turn into a marketable fruit when it is pollinated at 30° C and 80%

• Natutec_Airobreez_-_Directions_for_Use_-_Koppert.pdf

  clamps (A). Refer to section 7.3.8. 3. Remove the reservoir (B) from the device (C). B A A C 28 4 - 003 - Maintenance 7.3.7 Attach a clamp 1. [...] Panoramica dell’apparecchio A B C D E F A G H I J P H O A B C D E F G H 4 - 003 - N Occhiello per la cinghia a tracolla (2x) Interruttore [...] Allineare le linguette (A) con le tacche (B). 2. Inserire l’anello a palette nell’apparecchio. A B A A B B 7.3.4 Rimozione dell’anello a palette Prerequisiti

• Pollination checklist Growing lights

  . The maximum temperature should be max 28 °C. 17:00 16:00 14:00 During other weeks at higher than 28 °C temperatures you can place them lower in the [...] will have a negative effect on the development of the hives. 10:00 1! Bumblebees need max. 2 hours to return to their hive 15:00 Do not keep a hive closed [...] Pollination checklist Placement High & horizonal Growing lights in tomato crops Light timetable Points of attention 19:00 Snow 18:00 Place hives

• Get Rid of Thrips Naturally Using Predator Mites!

  May 21, 2024

  these situations, Thripex is a better choice as there is no value to Swirski’s higher level of reproduction, and Thripex has a lower cost per mite. Note: [...] help decrease the possibility of a large infestation from developing. Remember, thrips pose a significant threat to a wide range of plant species throughout [...] outperforms Thripex, as it does better under regular crop temperatures (22C-35C (72F-95F)) and responds quicker to increasing pest pressure by laying more

• Canadian Thrips in Greenhouses & Grow Rooms

  September 19, 2024

  days to develop from egg to adult at 30°C, whereas it will take almost 40 days at 15°C. Above 35° C and below 10° C, development ceases. Generally, all e [...] species until the 1970s-80s and remain a key pest today. They have an incredible distribution in greenhouses worldwide and are also known as a major field pest [...] persist within a heated greenhouse year-round on crops and weeds, they can only develop within a narrow range of temperatures, between 20°C and 30°C. Their damage

• Capyphor

  active between 16-35°C/61-95°F but performs best at temperatures between 19-33°C/66-91°F Soil temperature below 5°C/41°F and above 35°C/95°F can be lethal [...] an airblast sprayer, through a sprinkler system, with a backpack sprayer, or a vehicle-mounted spray unit To avoid blockage, all filters should be removed [...] Effects & Compatibility Pesticides can have (in)direct effects on biological solutions As a general rule for tank mixing, always add the nematodes to a fully